<table border="1" mj_done="true">
    <thead>
    <tr>
        <th>序号</th>
        <th>编号</th>
        <th>题目</th>
        <th>通过率</th>
        <th>难度</th>
        <th>出题指数</th>
        <th>出现频率</th>
    </tr>
    </thead>
    <tbody>
    <tr>
        <td>1</td>
        <td>1009</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/complement-of-base-10-integer/">十进制整数的反码</a></td>
        <td>59.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.27</td>
    </tr>
    <tr>
        <td>2</td>
        <td>941</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-mountain-array/">有效的山脉数组</a></td>
        <td>34.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.217</td>
    </tr>
    <tr>
        <td>3</td>
        <td>559</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-depth-of-n-ary-tree/">N叉树的最大深度</a></td>
        <td>68.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.105</td>
    </tr>
    <tr>
        <td>4</td>
        <td>924</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimize-malware-spread/">尽量减少恶意软件的传播</a></td>
        <td>41.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.791</td>
    </tr>
    <tr>
        <td>5</td>
        <td>601</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/human-traffic-of-stadium/">体育馆的人流量</a></td>
        <td>44.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.294</td>
    </tr>
    <tr>
        <td>6</td>
        <td>231</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/power-of-two/">2的幂</a></td>
        <td>47.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.047</td>
    </tr>
    <tr>
        <td>7</td>
        <td>489</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/robot-room-cleaner/">扫地机器人</a></td>
        <td>72.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.002</td>
    </tr>
    <tr>
        <td>8</td>
        <td>242</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-anagram/">有效的字母异位词</a></td>
        <td>58.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.031</td>
    </tr>
    <tr>
        <td>9</td>
        <td>1048</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-string-chain/">最长字符串链</a></td>
        <td>39.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.454</td>
    </tr>
    <tr>
        <td>10</td>
        <td>1260</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/shift-2d-grid/">二维网格迁移</a></td>
        <td>57.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.265</td>
    </tr>
    <tr>
        <td>11</td>
        <td>210</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/course-schedule-ii/">课程表 II</a></td>
        <td>46.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.103</td>
    </tr>
    <tr>
        <td>12</td>
        <td>475</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/heaters/">供暖器</a></td>
        <td>29.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.174</td>
    </tr>
    <tr>
        <td>13</td>
        <td>381</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/insert-delete-getrandom-o1-duplicates-allowed/">O(1)
            时间插入、删除和获取随机元素 - 允许重复</a></td>
        <td>36.6%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.495</td>
    </tr>
    <tr>
        <td>14</td>
        <td>52</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/n-queens-ii/">N皇后 II</a></td>
        <td>77.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.091</td>
    </tr>
    <tr>
        <td>15</td>
        <td>115</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/distinct-subsequences/">不同的子序列</a></td>
        <td>46.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.155</td>
    </tr>
    <tr>
        <td>16</td>
        <td>174</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/dungeon-game/">地下城游戏</a></td>
        <td>39.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.198</td>
    </tr>
    <tr>
        <td>17</td>
        <td>187</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/repeated-dna-sequences/">重复的DNA序列</a></td>
        <td>43.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.136</td>
    </tr>
    <tr>
        <td>18</td>
        <td>217</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/contains-duplicate/">存在重复元素</a></td>
        <td>51.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.024</td>
    </tr>
    <tr>
        <td>19</td>
        <td>267</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-permutation-ii/">回文排列 II</a></td>
        <td>39.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.759</td>
    </tr>
    <tr>
        <td>20</td>
        <td>282</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/expression-add-operators/">给表达式添加运算符</a></td>
        <td>32.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.452</td>
    </tr>
    <tr>
        <td>21</td>
        <td>289</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/game-of-life/">生命游戏</a></td>
        <td>68.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.126</td>
    </tr>
    <tr>
        <td>22</td>
        <td>348</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-tic-tac-toe/">判定井字棋胜负</a></td>
        <td>56.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.498</td>
    </tr>
    <tr>
        <td>23</td>
        <td>417</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/pacific-atlantic-water-flow/">太平洋大西洋水流问题</a></td>
        <td>39.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.251</td>
    </tr>
    <tr>
        <td>24</td>
        <td>447</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-boomerangs/">回旋镖的数量</a></td>
        <td>56.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.177</td>
    </tr>
    <tr>
        <td>25</td>
        <td>467</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-substrings-in-wraparound-string/">环绕字符串中唯一的子字符串</a>
        </td>
        <td>39.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.446</td>
    </tr>
    <tr>
        <td>26</td>
        <td>500</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/keyboard-row/">键盘行</a></td>
        <td>68.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.136</td>
    </tr>
    <tr>
        <td>27</td>
        <td>535</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/encode-and-decode-tinyurl/">TinyURL 的加密与解密</a>
        </td>
        <td>81.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.253</td>
    </tr>
    <tr>
        <td>28</td>
        <td>539</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-time-difference/">最小时间差</a></td>
        <td>53.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.305</td>
    </tr>
    <tr>
        <td>29</td>
        <td>563</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-tilt/">二叉树的坡度</a></td>
        <td>52.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.154</td>
    </tr>
    <tr>
        <td>30</td>
        <td>581</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/shortest-unsorted-continuous-subarray/">最短无序连续子数组</a></td>
        <td>33.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.068</td>
    </tr>
    <tr>
        <td>31</td>
        <td>654</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-binary-tree/">最大二叉树</a></td>
        <td>78.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.158</td>
    </tr>
    <tr>
        <td>32</td>
        <td>658</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-k-closest-elements/">找到 K 个最接近的元素</a></td>
        <td>42.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.27</td>
    </tr>
    <tr>
        <td>33</td>
        <td>725</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/split-linked-list-in-parts/">分隔链表</a></td>
        <td>52.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.191</td>
    </tr>
    <tr>
        <td>34</td>
        <td>731</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/my-calendar-ii/">我的日程安排表 II</a></td>
        <td>43.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.708</td>
    </tr>
    <tr>
        <td>35</td>
        <td>764</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/largest-plus-sign/">最大加号标志</a></td>
        <td>46.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.688</td>
    </tr>
    <tr>
        <td>36</td>
        <td>590</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/n-ary-tree-postorder-traversal/">N叉树的后序遍历</a></td>
        <td>72.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.107</td>
    </tr>
    <tr>
        <td>37</td>
        <td>804</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-morse-code-words/">唯一摩尔斯密码词</a></td>
        <td>74.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.13</td>
    </tr>
    <tr>
        <td>38</td>
        <td>830</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/positions-of-large-groups/">较大分组的位置</a></td>
        <td>45.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.226</td>
    </tr>
    <tr>
        <td>39</td>
        <td>478</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/generate-random-point-in-a-circle/">在圆内随机生成点</a>
        </td>
        <td>38.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.564</td>
    </tr>
    <tr>
        <td>40</td>
        <td>885</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/spiral-matrix-iii/">螺旋矩阵 III</a></td>
        <td>64.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.674</td>
    </tr>
    <tr>
        <td>41</td>
        <td>934</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/shortest-bridge/">最短的桥</a></td>
        <td>42.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.396</td>
    </tr>
    <tr>
        <td>42</td>
        <td>937</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reorder-data-in-log-files/">重新排列日志文件</a></td>
        <td>51.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.37</td>
    </tr>
    <tr>
        <td>43</td>
        <td>961</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/n-repeated-element-in-size-2n-array/">重复 N
            次的元素</a></td>
        <td>66.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.147</td>
    </tr>
    <tr>
        <td>44</td>
        <td>986</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/interval-list-intersections/">区间列表的交集</a></td>
        <td>61.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.339</td>
    </tr>
    <tr>
        <td>45</td>
        <td>1032</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/stream-of-characters/">字符流</a></td>
        <td>30.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.832</td>
    </tr>
    <tr>
        <td>46</td>
        <td>1122</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/relative-sort-array/">数组的相对排序</a></td>
        <td>65.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.132</td>
    </tr>
    <tr>
        <td>47</td>
        <td>1274</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-ships-in-a-rectangle/">矩形内船只的数目</a></td>
        <td>53.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.441</td>
    </tr>
    <tr>
        <td>48</td>
        <td>1146</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/snapshot-array/">快照数组</a></td>
        <td>22.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.698</td>
    </tr>
    <tr>
        <td>49</td>
        <td>1189</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-number-of-balloons/">“气球” 的最大数量</a></td>
        <td>62.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.161</td>
    </tr>
    <tr>
        <td>50</td>
        <td>1205</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/monthly-transactions-ii/">每月交易II</a></td>
        <td>44.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.871</td>
    </tr>
    <tr>
        <td>51</td>
        <td>1238</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/circular-permutation-in-binary-representation/">循环码排列</a>
        </td>
        <td>59.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.825</td>
    </tr>
    <tr>
        <td>52</td>
        <td>1269</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/number-of-ways-to-stay-in-the-same-place-after-some-steps/">停在原地的方案数</a>
        </td>
        <td>36.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.703</td>
    </tr>
    <tr>
        <td>53</td>
        <td>1283</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-the-smallest-divisor-given-a-threshold/">使结果不超过阈值的最小除数</a>
        </td>
        <td>31.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.43</td>
    </tr>
    <tr>
        <td>54</td>
        <td># LCP 3</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/programmable-robot/">机器人大冒险</a></td>
        <td>18.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.208</td>
    </tr>
    <tr>
        <td>55</td>
        <td>117</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node-ii/">填充每个节点的下一个右侧节点指针
            II</a></td>
        <td>44.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.101</td>
    </tr>
    <tr>
        <td>56</td>
        <td>274</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/h-index/">H指数</a></td>
        <td>37.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.16</td>
    </tr>
    <tr>
        <td>57</td>
        <td>457</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/circular-array-loop/">环形数组循环</a></td>
        <td>32.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.347</td>
    </tr>
    <tr>
        <td>58</td>
        <td>755</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/pour-water/">倒水</a></td>
        <td>46.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.085</td>
    </tr>
    <tr>
        <td>59</td>
        <td>778</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/swim-in-rising-water/">水位上升的泳池中游泳</a></td>
        <td>45.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.618</td>
    </tr>
    <tr>
        <td>60</td>
        <td>787</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/cheapest-flights-within-k-stops/">K 站中转内最便宜的航班</a>
        </td>
        <td>35.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.283</td>
    </tr>
    <tr>
        <td>61</td>
        <td>921</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/minimum-add-to-make-parentheses-valid/">使括号有效的最少添加</a></td>
        <td>70.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.214</td>
    </tr>
    <tr>
        <td>62</td>
        <td>1066</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/campus-bikes-ii/">校园自行车分配 II</a></td>
        <td>35.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.155</td>
    </tr>
    <tr>
        <td>63</td>
        <td>943</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-the-shortest-superstring/">最短超级串</a></td>
        <td>37.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.991</td>
    </tr>
    <tr>
        <td>64</td>
        <td>1108</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/defanging-an-ip-address/">IP 地址无效化</a></td>
        <td>81.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.069</td>
    </tr>
    <tr>
        <td>65</td>
        <td>298</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-longest-consecutive-sequence/">二叉树最长连续序列</a>
        </td>
        <td>54.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.606</td>
    </tr>
    <tr>
        <td>66</td>
        <td>845</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-mountain-in-array/">数组中的最长山脉</a></td>
        <td>33.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.427</td>
    </tr>
    <tr>
        <td>67</td>
        <td>474</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/ones-and-zeroes/">一和零</a></td>
        <td>49.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.229</td>
    </tr>
    <tr>
        <td>68</td>
        <td>530</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/minimum-absolute-difference-in-bst/">二叉搜索树的最小绝对差</a></td>
        <td>55.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.136</td>
    </tr>
    <tr>
        <td>69</td>
        <td>1045</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/customers-who-bought-all-products/">买下所有产品的客户</a>
        </td>
        <td>63.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.591</td>
    </tr>
    <tr>
        <td>70</td>
        <td>1290</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/convert-binary-number-in-a-linked-list-to-integer/">二进制链表转整数</a>
        </td>
        <td>80.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.052</td>
    </tr>
    <tr>
        <td>71</td>
        <td>504</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/base-7/">七进制数</a></td>
        <td>48.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.164</td>
    </tr>
    <tr>
        <td>72</td>
        <td>1098</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unpopular-books/">小众书籍</a></td>
        <td>40.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.778</td>
    </tr>
    <tr>
        <td>73</td>
        <td>1247</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/minimum-swaps-to-make-strings-equal/">交换字符使得字符串相同</a></td>
        <td>53.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.539</td>
    </tr>
    <tr>
        <td>74</td>
        <td>844</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/backspace-string-compare/">比较含退格的字符串</a></td>
        <td>50.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.112</td>
    </tr>
    <tr>
        <td>75</td>
        <td>275</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/h-index-ii/">H指数 II</a></td>
        <td>40.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.211</td>
    </tr>
    <tr>
        <td>76</td>
        <td>383</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/ransom-note/">赎金信</a></td>
        <td>51.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.082</td>
    </tr>
    <tr>
        <td>77</td>
        <td>1297</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-number-of-occurrences-of-a-substring/">子串的最大出现次数</a>
        </td>
        <td>42.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.407</td>
    </tr>
    <tr>
        <td>78</td>
        <td>1117</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/building-h2o/">H2O 生成</a></td>
        <td>44.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.332</td>
    </tr>
    <tr>
        <td>79</td>
        <td>569</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/median-employee-salary/">员工薪水中位数</a></td>
        <td>48.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.84</td>
    </tr>
    <tr>
        <td>80</td>
        <td>875</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/koko-eating-bananas/">爱吃香蕉的珂珂</a></td>
        <td>39.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.207</td>
    </tr>
    <tr>
        <td>81</td>
        <td>903</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-permutations-for-di-sequence/">DI
            序列的有效排列</a></td>
        <td>48.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.626</td>
    </tr>
    <tr>
        <td>82</td>
        <td>680</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-palindrome-ii/">验证回文字符串 Ⅱ</a></td>
        <td>35.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.083</td>
    </tr>
    <tr>
        <td>83</td>
        <td>1282</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/group-the-people-given-the-group-size-they-belong-to/">用户分组</a>
        </td>
        <td>79.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.212</td>
    </tr>
    <tr>
        <td>84</td>
        <td># LCP 5</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/coin-bonus/">发 LeetCoin</a></td>
        <td>15.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.674</td>
    </tr>
    <tr>
        <td>85</td>
        <td>541</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-string-ii/">反转字符串 II</a></td>
        <td>51.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.145</td>
    </tr>
    <tr>
        <td>86</td>
        <td>716</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/max-stack/">最大栈</a></td>
        <td>42.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.614</td>
    </tr>
    <tr>
        <td>87</td>
        <td>1254</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-closed-islands/">统计封闭岛屿的数目</a></td>
        <td>58.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.375</td>
    </tr>
    <tr>
        <td>88</td>
        <td>374</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/guess-number-higher-or-lower/">猜数字大小</a></td>
        <td>42.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.095</td>
    </tr>
    <tr>
        <td>89</td>
        <td>522</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-uncommon-subsequence-ii/">最长特殊序列 II</a>
        </td>
        <td>31.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.498</td>
    </tr>
    <tr>
        <td>90</td>
        <td>499</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/the-maze-iii/">迷宫 III</a></td>
        <td>30.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.048</td>
    </tr>
    <tr>
        <td>91</td>
        <td>263</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/ugly-number/">丑数</a></td>
        <td>48.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.064</td>
    </tr>
    <tr>
        <td>92</td>
        <td>1074</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-submatrices-that-sum-to-target/">元素和为目标值的子矩阵数量</a>
        </td>
        <td>41.6%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.871</td>
    </tr>
    <tr>
        <td>93</td>
        <td>758</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/bold-words-in-string/">字符串中的加粗单词</a></td>
        <td>40.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.693</td>
    </tr>
    <tr>
        <td>94</td>
        <td>473</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/matchsticks-to-square/">火柴拼正方形</a></td>
        <td>36.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.277</td>
    </tr>
    <tr>
        <td>95</td>
        <td>992</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/subarrays-with-k-different-integers/">K
            个不同整数的子数组</a></td>
        <td>24.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.46</td>
    </tr>
    <tr>
        <td>96</td>
        <td>1326</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/minimum-number-of-taps-to-open-to-water-a-garden/">灌溉花园的最少水龙头数目</a>
        </td>
        <td>43.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.12</td>
    </tr>
    <tr>
        <td>97</td>
        <td>327</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/count-of-range-sum/">区间和的个数</a></td>
        <td>32.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.402</td>
    </tr>
    <tr>
        <td>98</td>
        <td>345</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-vowels-of-a-string/">反转字符串中的元音字母</a></td>
        <td>49.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.06</td>
    </tr>
    <tr>
        <td>99</td>
        <td>1224</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-equal-frequency/">最大相等频率</a></td>
        <td>27.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.561</td>
    </tr>
    <tr>
        <td>100</td>
        <td>987</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/vertical-order-traversal-of-a-binary-tree/">二叉树的垂序遍历</a>
        </td>
        <td>36.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.45</td>
    </tr>
    <tr>
        <td>101</td>
        <td>416</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/partition-equal-subset-sum/">分割等和子集</a></td>
        <td>44.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.091</td>
    </tr>
    <tr>
        <td>102</td>
        <td>722</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-comments/">删除注释</a></td>
        <td>27.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.481</td>
    </tr>
    <tr>
        <td>103</td>
        <td>1227</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/airplane-seat-assignment-probability/">飞机座位分配概率</a></td>
        <td>63.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.258</td>
    </tr>
    <tr>
        <td>104</td>
        <td>229</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/majority-element-ii/">求众数 II</a></td>
        <td>42.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.151</td>
    </tr>
    <tr>
        <td>105</td>
        <td>1186</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-subarray-sum-with-one-deletion/">删除一次得到子数组最大和</a>
        </td>
        <td>29.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.571</td>
    </tr>
    <tr>
        <td>106</td>
        <td>692</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/top-k-frequent-words/">前K个高频单词</a></td>
        <td>48.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.196</td>
    </tr>
    <tr>
        <td>107</td>
        <td>801</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-swaps-to-make-sequences-increasing/">使序列递增的最小交换次数</a>
        </td>
        <td>36.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.488</td>
    </tr>
    <tr>
        <td>108</td>
        <td>186</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-words-in-a-string-ii/">翻转字符串里的单词 II</a>
        </td>
        <td>71.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.38</td>
    </tr>
    <tr>
        <td>109</td>
        <td>540</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/single-element-in-a-sorted-array/">有序数组中的单一元素</a>
        </td>
        <td>60.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.193</td>
    </tr>
    <tr>
        <td>110</td>
        <td>1339</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-product-of-splitted-binary-tree/">分裂二叉树的最大乘积</a>
        </td>
        <td>35.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.083</td>
    </tr>
    <tr>
        <td>111</td>
        <td>1346</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/check-if-n-and-its-double-exist/">检查整数及其两倍数是否存在</a></td>
        <td>41.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.056</td>
    </tr>
    </tbody>
</table>